Home / 45,637.73-68,451.40-12,360.38

Finding the Fourth Proportional to 45,637.73, 68,451.40 and 12,360.38

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Solution

The fourth proportional to 45,637.73, 68,451.40 and 12,360.38 is: 18,539.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,637.73 : 68,451.40 = 12,360.38 : x
  2. Step 2: Convert to fraction form
    45,637.73/68,451.40 = 12,360.38/x
  3. Step 3: Cross multiply
    45,637.73x = 68,451.40 × 12,360.38
  4. Step 4: Simplify right side
    45,637.73x = 846,085,455.76
  5. Step 5: Solve for x
    x = 846,085,455.76/45,637.73
  6. Step 6: Final answer
    x = 18,539.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.